full cast
Cast list is way too long so I've listed only those that have been on 4 or more episodes.
| A.J. | Jonathan Mercedes |
| Abe | Jayden Rivers |
| Demetri Alexopoulos | Gianni DeCenzo |
| Alice | Natasha Tina Liu |
| Andre | Stevie Baggs Jr. |
| Jessica Andrews | Robyn Lively |
| Announcer | Gerardo Davila |
| Anoush | Dan Ahdoot |
| Army Recruiter | Justin Torrence |
| Artie | Rolando Fernandez |
| Ashley | Amor Owens |
| Ashley | Ella Schuman |
| Awkward Teen | Dallas Oshae |
| Mike Barnes | Sean Kanan |
| Bert | Owen Morgan |
| Betsy | Emily Marie Palmer |
| Big Red | Christopher Ryan Lewis |
| Bo | Derek Russo |
| Bob | Cuyle Carvin |
| Bobby | Ron Thomas |
| Bouncer | Alphonso A'Qen-Aten Jackson |
| Brayden | John Winscher |
| Brenda | Sara Torres |
| Brucks | Bo Mitchell |
| Business Guy | Bryan Frank |
| Captain Turner | Terry Serpico |
| Carl | Eric Goins |
| Carla | Alea Figueroa |
| Carlos | Francisco Soto Jr. |
| Caroline | Suzanne Salhaney |
| Cassie | Nyla Turner |
| Chef | Mark Wilson |
| Chester | Jesse Haus |
| Cheyenne Hamidi | Salome Azizi |
| Chris | Khalil Everage |
| Cindee | Avangeline Friedlander |
| Claire | Shakirah DeMesier |
| Claire | Jennifer Christa Palmer |
| Tom Cole | David Shatraw |
| College Guy | Travis James |
| Cop #1 | Tony Bravado |
| Cop | Bryan Terry Snell |
| Copy Store Guy | Alex Zuko |
| Corey | Samuel Goergen |
| Cori | Kelley Davis |
| Councilperson Roberts | Zele Avradopoulos |
| Counselor Blatt | Erin Bradley Danger |
| Cruz | Jeff Kaplan |
| Customer | Michael Cronan |
| Customer | David Kronawitter |
| Cutter | Stephen Jones |
| Kim Da-Eun | Alicia Hannah-Kim |
| Dad | Matthew O'Donnell |
| Dad | Michael Rubino |
| Dangerous Man | Manuel Eduardo Ramirez |
| Daryl | Keith Arthur Bolden |
| Dave | Morgan Brown |
| Dave | Darwin Harris |
| David | Jesse Kove |
| Dee Snider | Dee Snider |
| Dentist | Brandon Gibson |
| Derek | Jean Claude Leuyer |
| Detective | Franco Castan |
| Carmen Diaz | Vanessa Rubio |
| Miguel Diaz | Xolo Mardueña |
| Difficult Customer | Alan Heckner |
| Diner | Dennis Friebe |
| Diner Manager | Royal Allen |
| DJ | Marquel LaFlame |
| Doctor | Julie Kendall |
| Doctor Vizernu | Kamran Shaikh |
| Dr. Howard | Aba Arthur |
| Drew | Jef Holbrook |
| Ear Gauge | Scott Hamm Duenas |
| Edgar | Alan Boell |
| Edwin | A.J. Jicks II |
| El Bombero | Angel Rosario Jr. |
| Ellen | Jemarion Jones |
| Eli's Mother | Caroline Avery Granger |
| Ellie | Regan Ciccarelli |
| Emile | Kevin Allison |
| Estelle | Brook Sill |
| Fauna | Ashto Leigh |
| Fawn | K.D. O'Hair |
| Fisherman | Jesse Santoyo |
| Dr. Emily Folsom | Tracey Bonner |
| Gabriel | Owen Harn |
| Gaming Nerd #1 | Sean Goulding |
| Gaming Nerd #2 | Seoum Tylor Aun |
| Gavin | Brian Troxell |
| Eva Garcia | Darla Delgado |
| Gerald | Philip Covin |
| George | Kurt Yue |
| Gerald | Al Hamacher |
| Graham | Alex Collins |
| Grandmother / Mrs. Mills | Deborah May |
| Grant | Pierce Lackey |
| Greg Hughes | P.J. Byrne |
| Guard / Prison Guard | Rashal James |
| Guard Davis | Aaron Quick Nelson |
| Guard Quentin | Elijah Everett |
| Guard Randall | Major Dodge |
| Gunther | Carsten Norgaard |
| Gym Teacher | Reg Rob |
| The Hammer | Erik Bello |
| Harry | Christopher Short |
| Head Nurse | Jacinte Blankenship |
| Head Ref | Hiro Koda |
| Head Referee | Marcus Young |
| Hector | Luis Roberto Guzmán |
| Hector | Bobby Hernandez |
| High School Student | Isaac Tillman |
| Hikaru | Tomoko Karina |
| Hipster Bartender | Nick Eagles |
| Holly | Cece Kelly |
| Hostess | Gabriela Amarchand |
| Hostess | Olivia Park |
| Inmate | Ben Bladon |
| Isaiah Robinson | Chris Mason |
| Jack | Vishesh Chachra |
| James | Ken Barefield |
| James | Paul Brian Johnson |
| Japanese Board Member | Toru Shimoji |
| Jenna | Zeeky Minnis |
| Jimmy | Tony O'Dell |
| Joanne | Rachelle Carson-Begley |
| Joe | Diesel Madkins |
| Leonard Johnson | Adam Drescher |
| Juan | Gabriel 'G-Rod' Rodriguez |
| Judy | Kylie Delre |
| K.O. / Sensei Odell | Tyron Woodley |
| Kandace | Rebecca Lines |
| Kate | Grace Lawell |
| Kathy | Olivia D. Dawson |
| Robby Keene | Tanner Buchanan |
| Keith | Jon Levine |
| Kelly | Cara Reid |
| Kenji | Michael Sasaki |
| Kenny | Kenny Vasquez |
| Korean Board Member | Joseph Steven Yang |
| John Kreese | Martin Kove |
| Kumiko | Tamlyn Tomita |
| LA Police Officer | Wesley Hale |
| Larsen | Trey McGriff |
| Amanda LaRusso | Courtney Henggeler |
| Anthony LaRusso | Griffin Santopietro |
| Daniel LaRusso | Ralph Macchio |
| Louie La Russo, Jr. | Bret Ernst |
| Lucille LaRusso | Randee Heller |
| Samantha LaRusso | Mary Mouser |
| Laura | Candace Moon |
| Johnny Lawrence | William Zabka |
| Devon Lee | Oona O'Brien |
| Lia | Milena Rivero |
| Lifeguard | Matthew Withers |
| Little Johnny | Thomas Parobek |
| Little Red | Shane Dovan Lewis |
| Lizzie-Anne | Sunny Mabrey |
| Lorraine | Shannon Mayers |
| Luis | EJ Sanchez |
| Luke | Christopher Llorca |
| Lyle | Matt Borlenghi |
| Lynn | Susan Gallagher |
| Mako | Rome Kanda |
| Man | Alexey Vladimir del Castillo |
| Manager | Manny Martinez |
| Manager | Andrew Roach |
| Marcus | Jaden Labady |
| Maria | Elvia Hill |
| Mason | Christian Scholfield |
| Master Kim | Don Lee |
| Liz Matthews | Maia Moss-Fife |
| Max | Daniel Abi-Sarkis |
| Medic | Ezekiel Boston |
| Medic | Joséphine Roth |
| Melissa | Gena Shaw |
| Maria Michaels | Milli M. |
| Mikaela | Brianna Milan |
| Mike | Phillip DeVon |
| Mikey | Chris Schmidt Jr. |
| Ali Mills | ELisabeth Shue |
| Pham Minh | Han Soto |
| Mitch | Aedin Mincks |
| Sunny Mitchell | Kathleen Hogan |
| Molina | Erik Estrada Loaiza |
| Moon | Hannah Kepple |
| Eli "Hawk" Moskowitz | Jacob Bertrand |
| Mr. Palmer / Palmer | Dustin Lewis |
| Mrs. Benadretti | Olivia Crosby |
| Mrs. Jenkins | Linda Boston |
| Nathaniel | Nathaniel Oh |
| Nestor | Vas Sanchez |
| Tory Nichols | Peyton List |
| Niko | William Lex Ham |
| Nurse Patricia | Jerri Tubbs |
| Officer Cody | James Logan |
| Officer Dawson | Cedric Greenway |
| Owen | Josh Lawson |
| Kyler Park | Joe Seo |
| Paul / College Kid | Christian Anderson |
| Patricia | Suehyla El-Attar Young |
| Kenny Payne | Dallas Dupree Young |
| Phil | Anoop Surya |
| Piper | Selah Austria |
| P.J. | Brian Kurlander |
| Ponytail | Seth Kemp |
| Principal Lopez | Jose Miguel Vasquez |
| Principal Fitzpatrick | Michael Burgess |
| Prison Doctor | Richard Garner |
| Pueblo | Leonardo Castro |
| Random Dirtbag | Adam Murray |
| Raymond | Paul Walter Hauser |
| Redneck | William Mark McCullough |
| Referee | Christopher Conolley |
| Referee | David Yuki Koda |
| Reggie | Kevin Saunders |
| Ren | Miki Yamashita |
| René | Frederic Jean |
| Rhonda | Carole Kaboya |
| Rick | Matt Mangum |
| Rickenberger | John Cihangir |
| Aisha Robinson | Nichole Brown |
| Rodney | Grayson Berry |
| Roger | Rick Perez |
| Ron | Matt Lewis |
| Rory | Dawson Towery |
| Rosa | Rose Bianco |
| Rusty | Bryan Hibbard |
| Ryan | Brandon Reece |
| Salesperson (LaRusso Auto) | Gina Marie Garrett |
| Sandra | Kim Fields |
| Sarah | Andrea Andrade |
| Sarah | Gissette Valentin |
| Security Guard | Lazell Brown |
| Sensei Hyan-Woo | Jake Huang |
| Sensei Min-Jun | Dante Ha |
| Sensei Rosenthal | Spence Maughon |
| Sergeant | Brian Ashton Smith |
| Server | Najah Bradley |
| Shannon | Diora Baird |
| Shawn Payne | Okea Eme-Akwari |
| Sheila | Kwajalyn Brown |
| Sid | Edward Asner |
| Terry Silver | Thomas Ian Griffith |
| Slade | Alexander Boyer |
| Soup Customer | Nick Caruso |
| Stacy | Marcelle LeBlanc |
| Steve | David Silverman |
| Sue | Cara AnnMarie |
| Surly Customer | Renell Michael White |
| Jirou Tanaka | Soji Arai |
| Teenage Johnny | Logan Coffey |
| Terry | Euseph Messiah |
| Tiffany | Eliana Ghen |
| Chozen Toguchi | Yuji Okumoto |
| Tommy | Rob Garrison |
| Tow Truck Driver | Dominick Racano |
| Trey | Terayle Hill |
| Twig / Young Silver | Nick Marini |
| Carrie Underwood | Carrie Underwood |
| Val | Nicolas Coucke |
| Vanessa | Julia Macchio |
| Veronica | Sarah Grace Sanders |
| Victorious POW Fighter | James Ortiz |
| Vincente | Eryk Anders |
| Waiter Henry | Billy Hansmann |
| Waitress | Kristin Brock |
| Waitress | Viviana Chavez |
| Waitress | Ahsia Pettigrew |
| Warren | Brent Glenn |
| Xander | Talin Chat |
| Yasmine | Annalisa Cochrane |
| Young Chozen | Shigi Ohtsu |
| Young Fan | Isaac Dodds |
| Young Johnny | Owen D. Stone |
| Young Kim Da-Eun | Sarah Anne |
| Young Kreese | Barrett Carnahan |
| Younger Kreese | Patrick Logan |
| Young Samantha | Reese TinLee |
| Young Sato | Akihiro Kitamura |
| Young Sid | Michael H. Cole |
| Yuna | Traci Toguchi |
| Zack | Brock Duncan |
| Armand Zakarian | Ken Davitian |
| Roland Zakarian | Alex Huff |
| Zeke | Jaden Ponce |